Class: AlsaRawMIDI::Soundcard

Inherits:
Object
  • Object
show all
Defined in:
lib/alsa-rawmidi/soundcard.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id) ⇒ Soundcard

Returns a new instance of Soundcard.

Parameters:

  • id (Integer) 


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# File 'lib/alsa-rawmidi/soundcard.rb', line 8

def initialize(id)
  @subdevices = {
    input: [],
    output: []
  }
  @id = id
  populate_subdevices
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/alsa-rawmidi/soundcard.rb', line 5

def id
  @id
end

#subdevices ⇒ Object (readonly)

Returns the value of attribute subdevices.



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# File 'lib/alsa-rawmidi/soundcard.rb', line 5

def subdevices
  @subdevices
end

Class Method Details

.find(id) ⇒ Soundcard

Find a soundcard by its ID

Parameters:

  • id (Integer)

Returns:



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# File 'lib/alsa-rawmidi/soundcard.rb', line 20

def self.find(id)
  @soundcards ||= {}
  @soundcards[id] ||= Soundcard.new(id) if API::Soundcard.exists?(id)
end